Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/utils_test.dart

Index: sdk/lib/_internal/pub_generated/test/utils_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/utils_test.dart b/sdk/lib/_internal/pub_generated/test/utils_test.dart
index 3d467114309b284606f7ea15f13d847826d71f72..178b7f753881bd06ae5a41c6d4347e3ee7831393 100644
--- a/sdk/lib/_internal/pub_generated/test/utils_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/utils_test.dart
@@ -1,23 +1,33 @@
+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 library utils_test;
+
 import 'package:unittest/unittest.dart';
 import 'test_pub.dart';
 import '../lib/src/utils.dart';
+
 main() {
   initConfig();
+
   group('yamlToString()', () {
     test('null', () {
       expect(yamlToString(null), equals('null'));
     });
+
     test('numbers', () {
       expect(yamlToString(123), equals('123'));
       expect(yamlToString(12.34), equals('12.34'));
     });
+
     test('does not quote strings that do not need it', () {
       expect(yamlToString('a'), equals('a'));
       expect(yamlToString('some-string'), equals('some-string'));
       expect(yamlToString('hey123CAPS'), equals('hey123CAPS'));
       expect(yamlToString("_under_score"), equals('_under_score'));
     });
+
     test('quotes other strings', () {
       expect(yamlToString(''), equals('""'));
       expect(yamlToString('123'), equals('"123"'));
@@ -27,9 +37,11 @@ main() {
       expect(yamlToString("new\nline"), equals(r'"new\nline"'));
       expect(yamlToString("?unctu@t!on"), equals(r'"?unctu@t!on"'));
     });
+
     test('lists use JSON style', () {
       expect(yamlToString([1, 2, 3]), equals('[1,2,3]'));
     });
+
     test('uses indentation for maps', () {
       expect(yamlToString({
         'a': {
@@ -43,6 +55,7 @@ a:
   c: 2
 d: 3"""));
     });
+
     test('sorts map keys', () {
       expect(yamlToString({
         'a': 1,
@@ -55,6 +68,7 @@ b: 3
 c: 2
 d: 4"""));
     });
+
     test('quotes map keys as needed', () {
       expect(yamlToString({
         'no': 1,
@@ -65,16 +79,19 @@ d: 4"""));
 no: 1
 "yes!": 2"""));
     });
+
     test('handles non-string map keys', () {
       var map = new Map();
       map[null] = "null";
       map[123] = "num";
       map[true] = "bool";
+
       expect(yamlToString(map), equals("""
 123: num
 null: null
 true: bool"""));
     });
+
     test('handles empty maps', () {
       expect(yamlToString({}), equals("{}"));
       expect(yamlToString({